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Ne4ueva [31]
3 years ago
10

1.

Mathematics
1 answer:
solmaris [256]3 years ago
3 0

Answer:

f(x) ≤ x2 – x – 1

Step-by-step explanation:

Answer:

The graph will have opposite x-intercepts of b and –b and be symmetrical about the y-axis. The graph will have a y-intercept at –b2.

Step-by-step explanation:

i don't have the step by step explanation but that answer is also right

the x intercepts are b and b

the graph has opposite x intercepts

the graph is symetrical  over the y axis

the y intercept is at b²

Answer:

f(x) ≤ x2 – x – 1

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1 pound of ground beef feeds 8 people. How much ground beef will you need for 5 people? Write an equation
DIA [1.3K]

Answer: 0.625 pound

Explanation:

1 pound = 8 people,

y pound = 5 people

Cross multiply to get

1 x 5 = 8y

5 = 8y

y = 5/8 = 0.625 pounds

Step-by-step explanation:

4 0
3 years ago
This is math can someone help me
Pani-rosa [81]
272 fluid ounces of lake water
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Read 2 more answers
Given that u =< 2,12 >, and z =< -7,5 >
swat32

Using the dot product:

For any vector x, we have

||x|| = √(x • x)

This means that

||w|| = √(w • w)

… = √((u + z) • (u + z))

… = √((u • u) + (u • z) + (z • u) + (z • z))

… = √(||u||² + 2 (u • z) + ||z||²)

We have

u = ⟨2, 12⟩   ⇒   ||u|| = √(2² + 12²) = 2√37

z = ⟨-7, 5⟩   ⇒   ||z|| = √((-7)² + 5²) = √74

u • z = ⟨2, 12⟩ • ⟨-7, 5⟩ = -14 + 60 = 46

and so

||w|| = √((2√37)² + 2•46 + (√74)²)

… = √(4•37 + 2•46 + 74)

… = √314 ≈ 17.720

Alternatively, without mentioning the dot product,

w = u + z = ⟨2, 12⟩ + ⟨-7, 5⟩ = ⟨-5, 17⟩

and so

||w|| = √((-5)² + 17²) = √314 ≈ 17.720

7 0
2 years ago
Translate each verbal phrase into algebraic expression.
ololo11 [35]

Answer:

Step-by-step explanation:

1.\ 2(6h - 3) = 30

2.\  \frac{5z+4}{2}=7

3.\ 22 - 7y = 1

4.\ \frac{8-2t}{3} =2

5.\ \frac{3}{4}x +2x=11

6.\ 5(6 + 4g) =50

7. \ 9+\frac{2}{3}k=13

8.\ \frac{7+3c}{5}=2

9.\ \frac{3f+6}{8}=3

10.\ 8(5q + 6)=88

Hope this helps!

7 0
3 years ago
Solve the proportion: 35/8 = 105/x
dangina [55]

Answer:

x=24

Step-by-step explanation:

6 0
3 years ago
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